Question

if 10 ,20,xand 40 are in proportion,the value of
x will be
​

Answer 1

Given↷

• 10,20,x,40 are in proportion.

To find↷

• Find the value of x

Solution↷

• 10,2.,x, 40 are in proportion.

$\therefore \: \dfrac{10}{20} = \dfrac{x}{40} \\ x = \dfrac{10 \times 40}{20} \\ x = 20 \\ \tt \: \color{green}Hence ,\: The \: Answer \: is \: 20.$